Excidio The Kaiju Simulator allows players to control massive kaiju and devastate physics-based environments in Arcade and Sandbox modes. While explicit 'hidden secrets' like secret levels or collectibles are not detailed in available information, the game features powerful 'Supermode' abilities, unique 'collab abilities' for certain kaiju, and various customization options like visual filters to enhance the destructive experience.
To level up quickly in Excidio The Kaiju Simulator, focus on playing Arcade Mode. In this mode, consistently destroy buildings and military forces to earn XP. As you level up, invest your earned upgrades into your kaiju's health, energy, and attack capabilities to enhance your destructive efficiency and survival.